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Analytical Reference Materials

Organic, Inorganic, Microbiology & PT Reference Materials

Explore the broadest selection of analytical reference materials and proficiency testing (PT) from the leading brands in certified and analytical reference materials: Spex, NSI, HPS, and Chiron. Our harmonized product development and custom capabilities are tailored to bring you innovative products to help meet your unique application needs.

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SKU: 8736.3-100-W

Ammeline; 100 µg/mL in H2O:DEA (80:20); 1 mL

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  • Brand Chiron
  • Matrix H2O:DEA (80:20)
  • Concentration 100 µg/mL
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SKU: 521-A

EPA Method 521 Nitrosamine Native Mix; 100 µg/mL in Dichloromethane; 1 mL

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  • Brand Spex
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Concentration 100 µg/mL
  • Matrix Dichloromethane
  • Raw Material >95% min; as available
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SKU: 8070-X

EPA Method 8070 Nitrosamine Native Mix; 200 µg/mL in Methanol; 1 mL

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  • Brand Spex
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Concentration 2000 µg/mL
  • Matrix Methanol
  • Raw Material >95% min; as available
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SKU: 607-X

EPA Method 607 Nitrosamine Native Mix; 1000 µg/mL in Methanol; 1 mL

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  • Brand Spex
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Concentration 1000 µg/mL
  • Matrix Methanol
  • Raw Material >95% min; as available
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SKU: 10090.37-100-ME

Erythromycin; 100 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
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SKU: 10090.37-500MEX2

Erythromycin; 500 µg/mL in methanol; 1 mL x 2

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  • Brand Chiron
  • Matrix methanol
  • Concentration 500 µg/mL
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SKU: 10536.222.53UGX5

[13C22 15N2]-Tetracycline; 2.53µg/mL; 1 mL

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  • Brand Chiron
  • Matrix neat
  • Concentration 2.53µg/mL
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SKU: 10596.37-10MG

Lopinavir; neat; 10 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 10611.2-100-ME

1,2,4-Triazole-d3; 100 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
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SKU: 10611.2-100-MEX5

1,2,4-Triazole-d3; 100 µg/mL in methanol; 1 mL x 5

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
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SKU: 10611.2-10MG

1,2,4-Triazole-d3; neat; 10 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 10649.11-100-5AN

(R,R)-Chloramphenicol; 100 µg/mL in acetonitrile; 5 mL

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 100 µg/mL
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